Jack Nicholson
as Jack Napier / Joker

Michael Keaton
as Bruce Wayne / Batman

Kim Basinger
as Vicki Vale

Michael Gough
as Alfred Pennyworth

Jerry Hall
as Alicia

Robert Wuhl
as Alexander Knox

Pat Hingle
as Commissioner James Gordon

Billy Dee Williams
as Harvey Dent

Jack Palance
as Grissom

Tracey Walter
as Bob the Goon

Lee Wallace
as Mayor

William Hootkins
as Eckhardt

Richard Strange
as Goon

Carl Chase
as Goon

Mac McDonald
as Goon

George Lane Cooper
as Goon

Terence Plummer
as Goon

Philip Tan
as Goon

John Sterland
as Accountant

Edwin Craig
as Rotelli

Vincent Wong
as Crimelord 1

Joel Cutrara
as Crimelord 2

John Dair
as Ricorso

Christopher Fairbank
as Nic

George Roth
as Eddie

Kate Harper
as Anchorwoman

Bruce McGuire
as Anchorman

Richard Durden
as TV Director

Kit Hollerbach
as Becky

Lachele Carl
as TV Technician

Del Baker
as Napier Hood

Jazzer Jeyes
as Napier Hood

Wayne Michaels
as Napier Hood

Valentino Musetti
as Napier Hood

Rocky Taylor
as Napier Hood

Keith Edwards
as Reporter

Leon Herbert
as Reporter

Steve Plytas
as Doctor

Anthony Wellington
as Patrolman at Party

Amir M. Korangy
as Wine Steward

Hugo Blick
as Young Jack Napier

Charles Roskilly
as Young Bruce Wayne

Philip O'Brien
as Maitre d'

Michael Balfour
as Scientist

Garrick Hagon
as Dad

Liza Ross
as Mom

Adrian Meyers
as Jimmy

David Baxt
as Dr Wayne

Sharon Holm
as Mrs Wayne

Clyde Gatell
as Other Mugger

Jon Soresi
as Medic

Elliott Stein
as Man in Crowd

Sam Douglas
as Lawyer

Denis Lill
as Bob the Cartoonist

Paul Birchard
as Reporter

Paul Michael
as Cop

Pat Gorman
as Cop at Axis Chemicals

Chris Andrews
as Election Ceremony Patron

Stephanie English
as Woman in Green Coat

Barrie Holland
as Party Guest at Wayne Manor (uncredited)

Albert Evansky
as Crimelord #3 (uncredited)